Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Statni Vyzkumny Ustav Materialu
Original Assignee
Statni Vyzkumny Ustav Materialu
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Filing date
Publication date
Application filed by Statni Vyzkumny Ustav MaterialufiledCriticalStatni Vyzkumny Ustav Materialu
Priority to JP50028106ApriorityCriticalpatent/JPS51108384A/ja
Publication of JPS51108384ApublicationCriticalpatent/JPS51108384A/ja